const menus = [
  {
    key: 'preface',
    label: '前言',
  },
  {
    key: 'math-sth',
    label: '数学',
  },
  {
    key: 'graphic',
    label: '图形学',
  },
  {
    key: 'history',
    label: '历史'
  },
  {
    key: 'noodle-restaurant',
    label: '面馆'
  },
];

export default menus;
